Finding the Third Proportional to 1,299,492 and 1,999,984

Step by Step Solution

1. Step 1: Write the proportion equation
   1,299,492 : 1,999,984 = 1,999,984 : x
2. Step 2: Convert to fraction form
   1,299,492/1,999,984 = 1,999,984/x
3. Step 3: Cross multiply
   1,299,492x = 1,999,984 × 1,999,984
4. Step 4: Simplify right side
   1,299,492x = 3,999,936,000,256
5. Step 5: Solve for x
   x = 3,999,936,000,256/1,299,492
6. Step 6: Final answer
   x = 3,078,076.66